Jornal Vascular Brasileiro
https://www.jvascbras.org/article/doi/10.1590/1677-5449.202300562
Jornal Vascular Brasileiro
Therapeutic Challenge

Successful use of rivaroxaban achieving therapeutic anti-factor xa levels in a morbidly obese patient with acute intermediate-high risk pulmonary embolism

Uso bem-sucedido de rivaroxabana com níveis terapêuticos de antifator xa em paciente com obesidade mórbida e embolia pulmonar aguda de risco intermediário-alto

Kingsley Dah; Mateo Porres-Aguilar; Alan De la Rosa; Swathi Prakash

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Abstract

Direct oral anticoagulants (DOACs) have become the standard of care for acute and long-term therapy for venous thromboembolism (VTE) due to their efficacy and safety profiles. The 2021 International Society on Thrombosis and Haemostasis guidelines recommend using standard DOAC dosages in patients with BMI >40 kg/m2 or weight >120 kg. Use of DOACs remains uncertain in morbidly obese patients with VTE, including acute PE. A morbidly obese woman in her 30s who presented with acute worsening of dyspnea was diagnosed with acute intermediate-high risk acute pulmonary embolism and concomitant proximal deep vein thrombosis, constituting a clinically challenging scenario for treating her with rivaroxaban. Standard doses of rivaroxaban for acute and extended phase treatment of venous thromboembolism in individuals with morbid obesity at BMI>70 kg/m2 may be effective, and safe.

Keywords

direct oral anticoagulants, rivaroxaban, venous thromboembolism, morbid obesity, acute pulmonary embolism

Resumo

Resumo: Devido à sua eficácia e aos seus perfis de segurança, os anticoagulantes orais diretos (DOACs) tornaram-se o padrão de cuidado para a terapia aguda e de longo prazo de tromboembolismo venoso (TEV). As diretrizes da Sociedade Internacional de Trombose e Hemostasia de 2021 recomendam o uso de dosagens padrão de DOACs em pacientes com índice de massa corporal (IMC) > 40 kg/m2 ou peso > 120 kg. O uso de DOACs em pacientes com obesidade mórbida e TEV, incluindo embolia pulmonar aguda, ainda não foi esclarecido. Uma mulher com obesidade mórbida na faixa dos 30 anos que apresentou piora aguda da dispneia foi diagnosticada com embolia pulmonar aguda de risco intermediário-alto e trombose venosa profunda proximal concomitante, com o cenário clínico desafiador de tratá-la com rivaroxabana. Doses padrão de rivaroxabana para tratamento e recorrência de tromboembolismo venoso em indivíduos com obesidade mórbida e IMC > 70 kg/m2 podem ser eficazes e seguras.
 

Palavras-chave

anticoagulantes orais diretos, rivaroxabana, tromboembolismo venoso, obesidade mórbida, embolia pulmonar aguda

References

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Submitted date:
04/23/2023

Accepted date:
04/18/2023

Sociedade Brasileira de Angiologia e Cirurgia Vascular (SBACV)"> Sociedade Brasileira de Angiologia e Cirurgia Vascular (SBACV)">
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